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150 | @widgets.register
class MDView(widgets.DOMWidget):
# Name of the widget view class in front-end
_view_name = Unicode('MDView').tag(sync=True)
# Name of the widget model class in front-end
_model_name = Unicode('MDModel').tag(sync=True)
# Name of the front-end module containing widget view
_view_module = Unicode('evince').tag(sync=True)
# Name of the front-end module containing widget model
_model_module = Unicode('evince').tag(sync=True)
# Version of the front-end module containing widget view
_view_module_version = Unicode(NPM_PACKAGE_RANGE).tag(sync=True)
# Version of the front-end module containing widget model
_model_module_version = Unicode(NPM_PACKAGE_RANGE).tag(sync=True)
#pos = tl.List([1,2,3]).tag(sync=True)
pos = tl.Bytes().tag(sync=True)
init = tl.Bool(False).tag(sync=True)
masses = tl.List([]).tag(sync=True)
radius = tl.Bytes().tag(sync=True)
#particle_data = tl.Bytes().tag(sync=True)
#colors = tl.List([]).tag(sync=True)
max_instances = tl.Int().tag(sync=True)
count = tl.Int().tag(sync=True)
#pos = Array(np.asarray([])).tag(sync=True, **array_binary_serialization)
colors = tl.Bytes().tag(sync=True)
box = tl.List([]).tag(sync=True)
fragment_shader = tl.Unicode('').tag(sync=True)
#bonds =
#colorscheme
additive = tl.Bool(False).tag(sync=True)
bg_color = tl.List([]).tag(sync=True)
def __init__(self, b, additive = False, bg_color = [1.0, 1.0, 1.0], radius = None):
super().__init__() # execute init of parent class, append:
# set particle data
# [position (3 elements) , color (3 elements), radius (1 element)]
#self.particle_data_array = np.zeros((b.n_bubbles, 7), dtype = np.float32)
#self.particle_data_array[:,:3] = b.pos.T
nc = 20
#self.particle_data_array[:,3:6] = interp1d(np.linspace(0,1,nc), np.random.uniform(0,1,(3, nc)) )(b.masses/b.masses.max()).T
self.colors = np.array((interp1d(np.linspace(0,1,nc), np.random.uniform(0,1,(3, nc)) )(b.masses/b.masses.max()).T), dtype = np.float32).tobytes()
if radius is None:
#self.particle_data_array[:,6] = np.array(get_vwv_radius_from_atomic_number(b.masses), dtype = np.float32)
self.radius = np.array(get_vwv_radius_from_atomic_number(b.masses), dtype = np.float32).tobytes()
else:
#self.particle_data_array[:,6] = radius
self.radius = radius
#self.particle_data = self.particle_data_array.tobytes()
self.max_instances = 2*b.masses.shape[0]
self.count = b.masses.shape[0]
self.additive = additive
self.bg_color = bg_color
#pos = np.zeros((b.pos.shape[1],3), dtype = float)
#pos[:, :b.pos.shape[0]] = b.pos.T
self.pos = b.pos.T.tobytes()
#self.radius = radius
self.box = b.size.tolist()
self.masses = b.masses.tolist()
self.init = True #trigger frontend init
def add_particle(self, position = np.array([0,0,0]), color = np.array([0,0,0]), radius = 1.0):
self.particle_data_array = np.concatenate( (self.particle_data_array, np.array([position[0], position[1], position[2], color[1], color[2], color[3], radius]).reshape(1,7)), axis = 0)
self.particle_data = self.particle_data_array.tobytes()
def remove_particles(self, i):
indx = np.ones(self.particle_data_array.shape[0], dtype = bool)
indx[i] = False
self.particle_data_array = self.particle_data_array[indx]
self.particle_data = self.particle_data_array.tobytes()
def save(self, filename, title = ""):
"""
Save a standalone html embedding of the view
"""
embed.embed_minimal_html(filename, [self], title)
|